"R" functions

Question 1

skip()

Answer 1

well this one is damn obvious

Question 2

skip()

Answer 2

well this one is damn obvious

Question 3

play()

Answer 3

Play with swirl freestyle

Question 4

main()

Answer 4

main menu

Question 5

info()

Answer 5

return to options

Question 6

help.start()

Answer 6

for more information on topics related to “R”

Answer 7

squared

Question 8

c()

Answer 8

to create a vector

Question 9

What is a vector?

Answer 9

A small collection of numbers. Used to combine numbers together
- you can also combine vectors to make NEW vectors

Question 10

sqrt()

Answer 10

square root

Question 11

”:” and seq()

Answer 11

to generate a regular sequence

You can use ‘length’, and ‘by’(if you want different intervals) to specify how you want your sequence to be produced

Question 12

”:” and seq()

Answer 12

to generate a regular sequence

You can use ‘length’, ‘each’ and ‘by’(if you want different intervals) to specify how you want your sequence to be produced

Question 13

NA

Answer 13

values that are statistically ‘not available’ or ‘missing’

Question 14

main()

Answer 14

main menu

Question 15

info()

Answer 15

return to options

Question 16

help.start()

Answer 16

for more information on topics related to “R”

Answer 17

squared

Question 18

c()

Answer 18

to create a vector

Question 19

What is a vector?

Answer 19

A small collection of numbers. Used to combine numbers together
- you can also combine vectors to make NEW vectors

Question 20

sqrt()

Answer 20

square root

Question 21

’

Answer 21

To associate two things:

z

Question 22

”:” and seq()

Answer 22

to generate a regular sequence

You can use ‘length’, ‘each’ and ‘by’(if you want different intervals) to specify how you want your sequence to be produced

Question 23

rep()

Answer 23

replicate
e.g. rep( 0, times = 5) => 0 0 0 0 0
you can use ‘times’(1 2 1 2) and ‘each’ (1 1 2 2) functions within replication.

Question 24

NA

Answer 24

values that are statistically ‘not available’ or ‘missing’

Question 25

rnorm()

Answer 25

the ‘normal distribution’ function.